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Update app.py
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app.py
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@@ -5,16 +5,13 @@ import cv2
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from tensorflow.keras import datasets, layers, models
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import os
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# ============================================
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# 1. تحميل أو بناء النموذج
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# ============================================
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model_path = 'mnist_cnn_model.keras'
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if os.path.exists(model_path):
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model = tf.keras.models.load_model(model_path)
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print("✅ تم تحميل النموذج المحفوظ.")
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else:
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print("⚠️
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model = models.Sequential([
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layers.Conv2D(32, (3, 3), activation='relu', input_shape=(28, 28, 1)),
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layers.MaxPooling2D((2, 2)),
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@@ -30,79 +27,37 @@ else:
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(train_images, train_labels), _ = datasets.mnist.load_data()
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train_images = train_images.reshape((60000, 28, 28, 1)).astype('float32') / 255
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model.fit(train_images, train_labels, epochs=3, validation_split=0.1, verbose=1)
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model.save(
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print("✅ تم
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# ============================================
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# 2. تحميل بيانات MNIST للأمثلة العشوائية
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# ============================================
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(_, _), (test_images, test_labels) = datasets.mnist.load_data()
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test_images = test_images.reshape((10000, 28, 28, 1)).astype('float32') / 255
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#
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# 3. دالة معالجة الصورة والتنبؤ
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# ============================================
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def predict_image(image):
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"""
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تستقبل صورة (مرسومة أو مرفوعة)، تعالجها وتعيد الاحتمالات.
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"""
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try:
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# إذا كانت الصورة قادمة
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if isinstance(image, dict):
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image = image['composite']
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# تحويل إلى تدرج رمادي
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gray = cv2.cvtColor(image, cv2.COLOR_RGB2GRAY)
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# تغيير الحجم
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resized = cv2.resize(gray, (28, 28))
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# قلب الألوان (افتراض خلفية سوداء ورسم أبيض)
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inverted = 255 - resized
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normalized = inverted.astype('float32') / 255.0
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reshaped = normalized.reshape(1, 28, 28, 1)
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return {str(i): float(prediction[i]) for i in range(10)}
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except Exception as e:
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return {"
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#
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gr.Markdown("ارسم رقماً في المربع أو ارفع صورة، ثم اضغط **توقع**.")
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with gr.Row():
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with gr.Column(scale=1):
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# استخدام ImageEditor (مدعوم رسمياً للرسم)
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input_image = gr.ImageEditor(
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label="ارسم أو ارفع صورة",
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type="numpy",
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brush=gr.Brush(colors=["#FFFFFF"], default_color="#FFFFFF"),
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canvas_size=(280, 280)
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)
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with gr.Row():
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submit_btn = gr.Button("🔮 توقع", variant="primary")
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random_btn = gr.Button("🎲 مثال عشوائي", variant="secondary")
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info = gr.Textbox(label="📌 معلومات", interactive=False)
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with gr.Column(scale=1):
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output = gr.Label(num_top_classes=3, label="📊 الاحتمالات")
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# ربط الأزرار
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submit_btn.click(fn=predict_image, inputs=input_image, outputs=output)
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random_btn.click(fn=random_example, inputs=[], outputs=[input_image, info])
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# ============================================
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# 6. تشغيل التطبيق (بدون if __name__)
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# ============================================
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demo.launch(server_name="0.0.0.0", server_port=7860)
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from tensorflow.keras import datasets, layers, models
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import os
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# 1. تحميل أو بناء النموذج
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model_path = 'mnist_cnn_model.keras'
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if os.path.exists(model_path):
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model = tf.keras.models.load_model(model_path)
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print("✅ تم تحميل النموذج المحفوظ.")
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else:
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print("⚠️ بناء النموذج وتدريبه...")
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model = models.Sequential([
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layers.Conv2D(32, (3, 3), activation='relu', input_shape=(28, 28, 1)),
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layers.MaxPooling2D((2, 2)),
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(train_images, train_labels), _ = datasets.mnist.load_data()
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train_images = train_images.reshape((60000, 28, 28, 1)).astype('float32') / 255
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model.fit(train_images, train_labels, epochs=3, validation_split=0.1, verbose=1)
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model.save(model_path)
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print("✅ تم حفظ النموذج.")
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# 2. دالة التنبؤ
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def predict_image(image):
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try:
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# إذا كانت الصورة قادمة من ImageEditor كـ dict
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if isinstance(image, dict):
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image = image['composite']
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gray = cv2.cvtColor(image, cv2.COLOR_RGB2GRAY)
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resized = cv2.resize(gray, (28, 28))
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inverted = 255 - resized
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normalized = inverted.astype('float32') / 255.0
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reshaped = normalized.reshape(1, 28, 28, 1)
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pred = model.predict(reshaped, verbose=0)[0]
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return {str(i): float(pred[i]) for i in range(10)}
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except Exception as e:
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return {"error": str(e)}
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# 3. إنشاء الواجهة باستخدام gr.Interface (الأكثر استقراراً)
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demo = gr.Interface(
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fn=predict_image,
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inputs=gr.ImageEditor(
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label="ارسم أو ارفع صورة",
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type="numpy",
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canvas_size=(280, 280)
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),
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outputs=gr.Label(num_top_classes=3, label="الاحتمالات"),
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title="🧠 التعرف على الأرقام المكتوبة بخط اليد",
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description="ارسم رقماً (0-9) في المربع، أو ارفع صورة، واضغط Submit."
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)
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# 4. التشغيل (بدون أي معاملات إضافية)
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demo.launch()
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